Intermittent A/C that works some days but not others can be caused by marginal refrigerant charge, failing electrical components, or temperature‑sensitive issues that show up during Ann Arbor’s rapid spring and fall weather swings.
- Customer reported symptoms: “A/C works sometimes,” “intermittent A/C,” “cold one day, warm the next,” “A/C cuts in and out.”
- Weather impact: Large day‑to‑night temperature swings can cause marginal or defective sensors, relays, and pressure switches to misbehave.
- Likely causes: Loose or corroded electrical connections, failing pressure switches, weak compressor clutch coil, or low refrigerant hitting the cutoff threshold.
- Testing: A combination of A/C system pressure readings, electrical testing, and real‑world road testing during typical Ann Arbor driving conditions.
Stadium Auto Service can chase down tricky intermittent A/C problems with your German auto and get you consistent cooling, whether it’s a chilly morning or a hot afternoon in Ann Arbor.